Move WebAXObject.cpp to core/ (WIP)

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
index 3dfde9e218856bfebc23dfbc113e444c69f497b6..fadd4f55a4d9b23098b36fc103157d85fa789868 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
@@ -1257,16 +1257,17 @@ String AXLayoutObject::TextAlternative(bool recursive,
 // ARIA attributes.
 //
 
-void AXLayoutObject::AriaOwnsElements(AXObjectVector& owns) const {
+void AXLayoutObject::AriaOwnsElements(AXObjectImplVector& owns) const {
   AccessibilityChildrenFromAttribute(aria_ownsAttr, owns);
 }
 
 void AXLayoutObject::AriaDescribedbyElements(
-    AXObjectVector& describedby) const {
+    AXObjectImplVector& describedby) const {
   AccessibilityChildrenFromAttribute(aria_describedbyAttr, describedby);
 }
 
-void AXLayoutObject::AriaLabelledbyElements(AXObjectVector& labelledby) const {
+void AXLayoutObject::AriaLabelledbyElements(
+    AXObjectImplVector& labelledby) const {
   AccessibilityChildrenFromAttribute(aria_labelledbyAttr, labelledby);
 }
 
@@ -1728,7 +1729,7 @@ Element* AXLayoutObject::AnchorElement() const {
 // Functions that retrieve the current selection.
 //
 
-AXObjectImpl::AXRange AXLayoutObject::Selection() const {
+AXObject::AXRange AXLayoutObject::Selection() const {
   AXRange text_selection = TextControlSelection();
   if (text_selection.IsValid())
     return text_selection;
@@ -1798,7 +1799,7 @@ AXObjectImpl::AXRange AXLayoutObject::Selection() const {
 // Gets only the start and end offsets of the selection computed using the
 // current object as the starting point. Returns a null selection if there is
 // no selection in the subtree rooted at this object.
-AXObjectImpl::AXRange AXLayoutObject::SelectionUnderObject() const {
+AXObject::AXRange AXLayoutObject::SelectionUnderObject() const {
   AXRange text_selection = TextControlSelection();
   if (text_selection.IsValid())
     return text_selection;
@@ -1832,7 +1833,7 @@ AXObjectImpl::AXRange AXLayoutObject::SelectionUnderObject() const {
   return AXRange(start, end);
 }
 
-AXObjectImpl::AXRange AXLayoutObject::TextControlSelection() const {
+AXObject::AXRange AXLayoutObject::TextControlSelection() const {
   if (!GetLayoutObject())
     return AXRange();